/*===================================================================*/ /* NRDF D1225 Data No.67 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,67; D#=D1225; TITLE=/VARIOUS INTERMEDIATE CHANNELS IN THE 12C+12C->12C(G.S.)+ALPHA+8BE(G.S.) REACTION/; PURPOSE=/THE 12C+12C->12C(G.S.)+ALPHA+8BE(G.S.) REACTION HAS BEEN INVESTIGATED BY 12C-ALPHA COINCIDENCE MEASUREMENTS AT INCIDENT ENERGIES OF 90, 110 AND 140 MEV. CROSS SECTIONS OF THREE KINDS OF INTERMEDIATE CHANNELS (12C+12C*, 160*+8BE AND ALPHA+20NE*) AND OF NON-RESONANT -PARTS LEADING TO THE SAME 12C(G.S.)+ALPHA+8BE(G.S.) FINAL CHANNEL HAVE BEEN DEDUCED. COINCIDENCE CROSS SECTIONS WERE REPRODUCED BY DWBA CALCULATIONS/; ATH=(S.SHIMOURA'1',A.SAKAGUCHI'1',T.SHIMODA'2',T.FUKUDA'2',K.OGURA'2', K.KATORI'2',H.OGATA'3'); INST-ATH=(2JPNKTO'1',2JPNOSA'2',2JPNRCN'3'); REF=NP/A; VLP=452(1986)123; RCTS=(12C(12C,12C,ALPHA)8BE); PHQS=(ENGY-SPEC,DSIGMA); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,67; RCT=12C(12C,12C,ALPHA)8BE; ENR=NAT; CHM=ELM; PHYS-FORM=SLD; THK-TGT=1.1MG/CM**2; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=(CYC); INST-ACC=2JPNRCN; INC-ENGY-LAB=(90MEV,110MEV,140MEV); CHRG-INC-ION=+4; POL-PRJ=0%; DET-PARTCL=(ALPHA'4',12C'5'); COINC=(ALPHA'4',12C'5'); ANT-COINC=NO; DET-SYS=(SSD'4,5',CNTR-TLSCP'4,5',X'5,6'); /*@3@*/ SOLID-ANGL=(6MSR'4',33MSR'4',130MSR'4',12MSR'5'); ANL=(DWBA); PHQ=(ENGY-SPEC,DSIGMA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,67; INC-ENGY-LAB=90MEV; /*@13@*/ J-PTY=3-'15'; /*@14@*/ THTC=43.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.8-(11)*/ /* D1225 FIG.8-(11) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) -82.334 4.665E+01 +3.908E+01-3.287E+01 -80.484 2.076E+02 +4.707E+01-8.262E+01 -77.611 6.156E+01 +5.169E+01-4.944E+01 -73.456 1.493E+02 +4.636E+01-5.313E+01 -71.017 3.266E+02 +XXXXXXXXX-1.017E+02 -67.842 1.782E+02 +5.546E+01-5.945E+01 -64.932 3.292E+02 +8.806E+01-5.128E+01 -61.581 7.970E+01 +2.492E+01-4.054E+01 -58.309 2.067E+02 +3.813E+01-3.239E+01 -56.150 2.218E+02 +5.012E+01-4.088E+01 -52.541 1.211E+02 +2.235E+01-3.187E+01 -49.535 1.440E+02 +4.482E+01-4.137E+01 -46.661 3.151E+02 +7.100E+01-5.794E+01 -44.031 2.856E+02 +6.436E+01-6.016E+01 -40.937 2.263E+02 +5.082E+01-4.775E+01 -37.438 2.053E+02 +6.390E+01-4.334E+01 -34.491 3.202E+02 +5.908E+01-7.599E+01 -32.237 2.213E+02 +6.868E+01-5.794E+01 -29.216 2.459E+02 +7.652E+01-5.190E+01 -26.078 1.590E+02 +7.202E+01-4.938E+01 -22.594 1.544E+02 +6.968E+01-5.818E+01 -20.213 4.426E+02 +1.187E+02-1.271E+02 -16.692 3.629E+02 +8.176E+01-7.691E+01 -13.532 2.119E+02 +1.407E+02-1.514E+02 -7.867 1.995E+02 +1.000E+02-1.110E+02 -4.964 3.812E+02 +1.358E+02-1.595E+02 -1.811 2.303E+02 +1.040E+02-1.315E+02 2.064 2.742E+02 +1.238E+02-1.201E+02 4.289 2.169E+02 +8.744E+01-1.067E+02 7.648 5.078E+01 +4.591E+01-ZZZZZZZZZ 10.890 1.508E+02 +7.559E+01-5.692E+01 13.395 2.431E+02 +8.661E+01-1.017E+02 16.098 1.570E+02 +7.874E+01-9.182E+01 19.561 1.688E+02 +8.435E+01-7.389E+01 22.611 1.638E+02 +6.604E+01-6.526E+01 \END; /*===================================================================*/ |